Accounting machine



April 4, 1944- P. sPuRLlNo ETAL 2,345,839

ACCOUNTING MACHINE Filed March 6, 1941 8 Sheets-Sheetl l\ gu Mayo A. Goodbar and Marvin D. Frost Inventors k By Their Attorney @@@CQGDDCCEQ mu N sk N M. boQk April 4, 1944 y P. sPURLlNo ET AL 2,345,839

ACCOUNTING MACHINE Filedmaroh e, 1941 a sheets-sheet 2 Pascal Spurlino Mayo A. Goodbar and Marvin D. F ros( Inventors Their Attorney April 4, 1944# y P. sPURLlNo ETAL 2,345,839

ACCOUNTING MACHINE Filed March 6, 1941 8 Sheets-Sheet 3 Pascal Spurlno Mayo A. Goodbar and Marvin D. Frost Inventors Their Attorney April 4,.V 1944- l5. sPuRLlNo ET AL. 2,345,839

ACCOUNTING MACHINE Filed March 6, 1941 8 Sheets-Sheet 4 V 429 j 428 3334E ff j 335) #E H445 Q v i am@ 425 394 337) if 52; *7 430 33/ n 444 480 39a 74 5f 3 t 473 443 48! L? z 457 4601) 414/1V 2 mf 388) @TT -T 2- l 1 l 403 332 585 400 40/ 387 477 i5 l;

Pascal Spurlno` Mayo A. Goodbar and Marvin D. Frost Inventors www Their Attornex 5 oo t :w .n 4 S 3 y n 2 e rm e aF h b. C 8 ..nG.m...v man SAMam MT.. L PM@ 1 A M 4 n m w y C l O m 6 N h .l auv L N m R u a w w M d O S C n C .1 P A F April 4, V1944.

Their ttomey April 1f-i944.

P. SPURLINO ETAL ACCOUNTING MACHINE 8 Sheets-Sheet 6 Filed LMarch e, 1,841

m .wn .Mmmm w 1m .mm m Kun m 10M A wad ...en Mw V w April 4, 1944 P. sPURLlNo ET Al. 2,345,839

ACCOUNTING MACHINE Filed March 6, 1941 8 Sheets-Sheet 7 IIIIIIIII Pascal Spurlino Mayo A. Goodbar and Marvin D. Frost Inventors /N y l* y Their Attorney April 4, 1944. P. SPUR-LINO ETAL ACCOUNTING MACHINE Filed March 6. 1941 8 Sheets-Sheet 8 Inventors By cx/v@ vPascal Spurlino Mayo A. Gopdbar and Marvin D. Frost Their Attorney wm N mma

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Patented Apr. 4, 1944 ACCGUNTING MACHINE Pascal Spurlino, Mayo A. Goodbar, and Marvin D. Frost, Dayton, Ohio, asslgnors to The National Cash Register Company, Dayton, Ohio, a

corporation ol' Maryland Application March 6, 1941, Serial No. 381,962

7 Claims.

This invention relates to accounting machines and similar business machines and is directed particularly to the record material feeding and printing mechanisms thereof.

The invention is herein shown embodied in a machine of the general type shown in the following United States Letters Patent, and reference may be had to them for a complete showing and description of standard mechanisms not fully disclosed herein: Patents No. 1,693,279, issued November 27, 1928, to Walter J. Kreider; Nos. 1,619,796 and 1,916,535, issued March 1,

, 1927, and July 4, 1933, respectively, to Bernis M.

Shipley; No. 2,141,332, issued December 27, 1938, to Charles H. Arnold; and No. 2,175,346, issued October 10, 1939, to Maximilian M. Goldberg; and the copending application for Letters Patent, Serial No. 359,374, filed Octoberz, 1940, by Pascal Spurlino and Konrad Rauch, for Accounting machines. l

The machine illustrated herein as embodying the present invention is well adapted for use by public utility companies and especially in the bookkeeping departments thereof, where the various items involved in each customers account for certain specified periods of time are listed, classified, and totaled on a ledger sheet or any other suitable record material. A

In the system to which the present invention is shown applied, the ledger sheet is not only divided vertically into a plurality of classification columns, but is also divided horizontally into a plurality of customer account spaces, each of such spaces being the equivalent of three printing lines.

When a customers account is printed, the three printing lines contained in the customers account space are utilized to whatever extent the number of itemschargeable to that partie ular laccount may require, and the total, both gross and net, of all of such items is printed in the extreme right-hand column of the ledger Whenever a total of a customers account is printed, the ledger sheet is automatically fed to bring the first printing line of the next customer account space into position to be printed upon.

Manually operable feeding means is provided for feeding the ledger sheet in either one of two different directions in order to print, without regard to any particular order, on the different printing lines of a customers account space.

Inasmueh as the number of lines printed upon in any one customers account space may vary from one to three, or, after printing on all three (Cl. IS7-127) lines, another item may again be printed on the rst line, the extent of the automatic feeding movement of the ledger sheet to the next suc-2 ceeding customers account space will vary according to the printing line upon which the last printing `occurred in the preceding space.

An vindicator is provided for displaying to the operator at all times the particular printing line of a customers account space on which the machin'e is adjusted to print.

Manually operable means is provided for differentially adjusting symbol-printing type wheels, which means and type wheels are automatically restored to their home positions near the end of the operation of the machine.

For the purpose of illustrating one form of the present invention, the machine shown herein is constructed to perform the functions stated above. However,4 it is not intended to limit the invention to this oneA form, as other forms for fulfilling the requirements of other business systems may be used withoutin any way departing from the invention.

It is, therefore, an object of this invention to provide an accounting machine with a more flexible type of record material feeding mechanism.

Another object is to provide a record material feeding mechanism, operable either manually or automatically, for imparting a variable number of different feeding movements to the record material.

A` further object is the provision of record material feeding mechanism which is manually operable to feed the record material in different `directions and automatically operable to feed the record material variable distances, depending upon the position to which the record mate rial was last fed manually. v

Another object is to provide a record material feeding mechanism which is manually operable during one kind of operation of the machine to feed the record material variable distances in one or the other of two different directions and is automatically operable during another kind of operation of the 'machine to feed the record material variable distances, depending upon the position to which the record material was last fed manually.

A still further object is to provide feeding mechanism operable automatically to provide one type of feed for record material or manually for feeding in one or the other of two different directions record material having thereon a plurality of spaces, each space being equal to a plurality of printing lines, to bring any one of the printing lines of any of such spaces into position to be printed upon.

Another object is to provide feeding mechanism operable either manually or automatically, such manual operation being for feeding record material having a plurality of spaces thereon, each space being equal to a plurality of print ing lines, to bring any printing line of any one of such spaces into position to be printed upon, while such automatic operation is for feeding the record material to bring a printing line of another one of said spaces into position to be printed upon.

Another object is to provide means 'or visibly indicating at ail times which one ci the printm .ing lines of any of the spaces on the record material is in position to be printed upon.

Another object is to provide a printing ele= ment differentially adjustable by a manipula.-l tive device, both said element and said device being automatically restored to their home positions near the end oi each operation of the machine.

With these and incidental objects in view, the invention includes certain novel features of construction and combinations of parts, the essential elements of which are set forth in appended claims and a preferred form or embodiment oi which is hereinafter described with reference to the drawings which accompany and form a part of this specification.

In said drawings;

Fig. l is a diagrammatic view of the keyboard of the machine.

Fig. 2 is a skeleton view of a portion of the mechanism for controlling the operation of the differential mechanism of one bank of transaction keys by certain of the transaction keys in other banks.

Fig. 3 is a sectional view of the machine, taken to the right of the first. bank of transaction keys, vlooking toward the left-hand end of the machine and partially broken away to show certain of the mechanisms more clearly.

Fig. 4 is a sectional view of the machine, taken to the right of one of the banks of amount keys, looking toward the left-hand end of the machine.

i Fig. 5 is a detail view showing the first transaction bank zero stop pawl and its controlling means.

Fig. 6 is a top plan view of the feeding niiechanisrn, together with the line indicator, and both the manual and the automatic means for oper ating the same.

Fig. 7 is a detail side elevation of the manual means for operating the feeding mechanism.

Fig. 8 is a detail side view of a portion oi the manual means for operating the feeding mechanisrn to feed the record material in either one of two diierent directions.

Fig. 9 is a side elevation of the automatic means for operating the feeding mechanism,

Fig. 1G is a side elevation oi the symbchprinting type wheels, the manipulative device 'for dit" ierentially adjusting the same, and the means for automatically returning both said wheels and said device to their home positions.

Fig. ll is a detailed fragmentary view of an. interlock associated with the machine release.

Fig. l2 is a side elevation oi the manual means for rendering the feeding mechanism operable and releasing the machine for operation.

Fig. i3 is a detailed side view of one of the aangaan pressure rollers associated with the feed rollers.

Fig. lll is a detailed side view of the means for indicating the lines on the record material which have been fed to printing position.

Fig. 15 is a detailed side view of the manipulative device for differentially adjusting the type wheels associated therewith, showing its various positions of adjustment.

Fig. l5 is a facsimile of a portion of a ledger sheet printed in the machine.

Fig. 17 is a top plan view o the feed rollers, the pressure rollers cooperating therewith, and the .record material guide stop.

GENERAL DEscaIPrIoN Described in general terms, the machine emu bodying the present invention is 0f the same general type as that disclosed in the Shipley and Arnold patents heretofore referred to. Like the machines disclosed in such patents, the present machine is provided with a plurality of totalizers and column-printing mechanism. The totalizers are operated by diierential mechanism under the control of amount keys, while the selection of the totalizers to be operated is accomplished through dlerential mechanism under control of control keys provided for that purpose.

The above-mentioned dierential mechanisms also serve to adjust the printing mechanism to print various amounts and data relating thereto on record material.

The present invention, however, concerns itself chierly with providing both manual and automatic means for feeding the record material in a manner to facilitate printing on various portions of the record material in any desirable order. For illustrative purposes, the machine embodying the present invention has been shown applicable to a system commonly employed by public utility companies or other similar types of businesses wherein the various kinds of items involved in each customers account for certain denite periods of time and the totals thereof are listed and classified on a ledger sheet or other suitable record material.

The ledger sheet used in this particular instance is not only divided vertically into a plurality of classification columns, but is also divided horizontally into a plurality of customer account spaces, each of such spaces containing three printing lines, each line extending through all oi the classification columns.

When a customers account is printed, the manual means provided for operating the record material feeding mechanism enables the operator to feed the record material in either one of two diierent directions to print upon any desirable one of the printing lines of a customeraccount space. After ali of the items relating toa customers account have been printed, the record material is, immediately after the total for the account is printed, automatically fed to bring the first printing line oi the next custciners account space into printing position.

The present machine is provided with internalweirternal gear driving mechanism, such as that disclosed in the above-mentioned Kreider patent, 4which is for the purpose of simultaneously setting up, on groups of printing devices,

, amounts and data under control of the keys, so

that printing can be readily performed on different portions of the ledger sheet.

The above-mentioned column-printing mechanism is controlled by the usual type of diierential mechanism fully shown in the Shipley and Arnold patents previously mentioned and is also shown generally in this application.

To aid the operator in manually feeding the ledger sheet or other suitable record material to print on the properly desired printing line of a customers account space, there is provided in the machine an indicator wheel which is arranged to rotate with the feeding rollers and thus always indicate the exact'printing line of the selected space on the ledger sheet which is in position to be printed upon.

There is also provided in the machine manual means for differentially adjusting symbol-print ing wheels for printing certain identifying data in connection with the amounts. Such manual adjusting means and printing wheels are automatically restored to their home positions near the end of the operation of the machine.

The machine keyboard is arranged for taking care of the requirements of the type of system mentioned, whereby all the items, together with the data relating thereto, for each customers account are periodically printed on a ledger sheet provided for that purpose. The machine is, therefore, provided with the usual banks of amount keys, the banks of amount keys being divided into two separate groups (commonly referred to as a split keyboard) for the purpose of setting up simultaneously two separate amounts thereon.

There are also three rows of what are known in the art as control keys for the purpose of selecting various totallzers into which the transactions entered into the machine are to be distributed. There is also a row of keys at the extreme right, which is known as the total control row, which keys control the machine for the purpose of taking totals off the various totalizers at the close of day when it is desired to clear out the machine to render it ready for business the following morning.

DETAILED DESCRIPTION Framework and operating mechanism The machine framework for the machine proper includes a left frame 60 (Figs. 2 and 4) and a right frame (similar to the first-mentioned frame), which support most of the machine mechanism and which frames are, in turn, se cured to a base 6l and are further supported in relation to each other by various cross frames, rods, and bars. The base 6l rests on and is secured tc four printer frames 62, 63, 64, and 65 (Fig. 6). The printer frames are held in proper relationship to each other by a front tie bar 66 and a rear tie bar (not shown). All four printer frames rest on the surface of a sub-base (not shown).

The machine proper and also the printing mechanism thereof are enclosed in a suitable cabinet 61 (Figs. 3 and 4)l having the necessary hinged openings for access to certain parts of the machine by the operator or the proprietor whenever necessary. All hinged openings are provided with suitable locks to prevent unauthorized persons from having access to the inner part of the machine.

The machine may he operated either manually or electrically, preferably the latter. inasmuch as the operating means is not directly involved in the present invention, such 'means has not been disclosed herein.

The usual and well-known electric starting bar used on machines of this type has been omitted from the present machine, and, in piace thereof, the machine is released for operation-by depression of any one of a plurality of :so-called motorized or "operating keys located in the three banks ol control keys and the bank of total keys. These keys will be explained more in detail later in this specification,

Depression of any of the above-mentioned op erating keys releases a key lock shaft llt (Figs. 3 and 4) to the action of a spring (not shown), which rocks said shaft a slight distance clockwise-to operate the clutch mechanism which connects the driving motor to a main shaft 'l2 journaled in the side frames of the machine. The movement of the shaft 1| simultaneously operates a switch mechanism which closes the circuit to the motor, thus causing the motor to operate.

The illustrated machine is capable of perform- 1 ing either one-cycle operations or two-cycle op erations. The main drive shaft l2 receives one complete clockwise revolution during a onecycle operation and two complete clockwise revolutions during a two-cycle operation. Depression of any one of the control keys will cause the machine to perform a one-cycle operation, while depression of a total key will cause it to perform a twocycle operation. This machine cycle control mechanism is old and well known in the art, as disclosed in the above-mentioned Shipley patm ents, and it is, therefore, not thought necessary to show or describe it herein.

After the machine has performed the proper number of cycles to complete the type of operation being executed, the key lock shaft 'H is returned counterclockwise to disengage the clutch mechanism and simultaneously to open the switch to the electric motor. When the machine is operated manually by the use of the wellknown hand crank, the operating keys are used for releasing the machine in exactly the same manner as when the machine is operated electrically.

Keyboard A diagrammatic view of the keyboard of the present machine is shown in Fig. l. From this figure, it will be seen that the left-hand side of the keyboard is composed of two separate groups of amount keys 11 (commonly known in the art as a split keyboard), to permit setting up thereon simultaneously two separate amounts, as, for example, the gross amount and the' net amount. 'Ihe right-hand side of the keyboard includes three rows or banks of transaction control keys '18, 19, and 80, as well as the total control row" of total keys BI, 82, 83, and 84, a Correction key 85, and. a Single line key 86. To the right of the last-mentioned row of keys is a Release key 81.

The amount keys 'l1 are employed to set up amounts to be added into the totalizers as well as to adjust type wheels for printing such amounts. The control keys 18; 19, and 80 are used to control means for selecting the desired totalizer into which the amounts are to be added, as Well as to control in which column on the ledger sheet the type wheels will print. The totai keys 8 i, 82, 83, and i3d are used to control the ma chine for taking totals and sub-totals from the totalizers selected by the keys iii, i9, and liti. The Correction key controls means for clearing out an add and subtract tctalizer or crossfooter by the method of adding thereon complementary amounts, The Single line key 83 is a non-add and stay-down key and is depressed only in connection with the Grossnet" keys 19 and 8,0 for printing on a single line in a customers account space the same gross and net amounts in two different columns on the ledger sheet. After such operations have been performed, the feeding mechanism feeds the record material to a lposition for printing, which will next occur on the first line of the new custornei' account space. As mentioned before, the Single line key 06 is a stay-down key, and the only way in which it may be released is by de- `pression of the Release key dll. Furthermore,

the Single line key B causes the add-subtrfct totalizer or crossiooter to be thrown out when printing is desired on only one printing line oi. a customer account space. When it is desired to print simultaneously the gross and the net amounts in both the Electric charge coluirnn, and the Total bill due column, it is necessary first to depress the Release key 31 and then to depress the proper Gross-net transaction key 19 or 00.

Amount banks and their .associated diierentz'al mechanisms As .previously stated, the machine embodying the present invention has two groups of amount keys 11, each group containing ve rows or banks of amount keys. Inasmuch as all the rows of amount keys and their associated differential mechanisms are similar in every respect, it is believed that a description of one of these rows of keys and its differential will be suilicient.

Fig. 4 is a transverse sectional View of the machine taken just to the right of one of the amount banks, showing said bank and its associated differential mechanism, which will be considered as representative of all of the amount banks.

The amount keys 11 are mounted in a key bank framework 96 supported by rods 91 and 98 extendingbetween the main frames of the machine. Depression of any one of the keys 11 rocks the zero stop pawl 99 for its related denomination counter-clockwise out of the path of a` re,

set spider |00 free on a hub of an amount dierential actuator |0| rotatably supported by a hub |02 extending between two similar amount differential support plates |03 (only one shown here) in turn supported by rods |04 and |05 extending between the machine frames. There is a pair of the support plates |03 for each amount differential, and a tie rod |06 extends through holes in the center oi' the hubs |02 to secure all of the amount differentials in a compact unit.

A slot in the forward end of the spider 600 (Fig. 4) engages a stud in a latch-engaging arm |01 pivoted on an extension of the actuator |0|. The arm |01 and a companion arm |08 together support a differential latch |09 for horizontal shifting movement, A spring |50 urges the arms |01 and |08 and the latch |05 rearwardly to normally hold a foot-shaped projection iii of said latch in engagement with a shoulder M2- on a differential driving segment its rotatably supported on the hub of the actuator iti. A link iil piyotally connects the drivin; segment i i3 to a cani lever iid pivoted on e stud il@ the lefthand one of the plates idd, and said iever 555 carries rollers li? and itil, which cooperate, respectively, with the peripheries of companion plate cams i i@ and secured on the main drive shaft 12. Depression of one of the amount keys lli moves the lower end thereof into the path of a rounded surface |2i on an extension of the arm E01.

In adding operations, the main shaft l2 andthe ascenso cams llc and |20 make one clockwise revolution, causing the lever H to rock the driving segment H3 first clockwise and then counter-clockwise back to normal position. During its clockwise movement, the segment H3, by means of the shoulder H2, in cooperation with. the extension i0! of the latch |03, carries said latch and the amount actuator iili clockwise in unison therewith until the rounded surface 25 contacts the stein o the depressed amount key ll. This rocks the latch arm w1 and its companion arm |08 counter-clockwise to dlsengage the projection l from the shoulder ||2 to interrupt the clockwise movement ot the actuator i0! and to position said actuator in proportion to the depressed amount key ll. Disengaging movement of the latch |09 moves a rounded extension |22 thereof into engagement with the corresponding one of a series ci. locating notches |23 on a plate |24 secured ben tween the rod |04 and an upward extension of the left-hand support plate |63. V

After the latch |09 is disengaged from the shoulder H2 of the segment H3, said segment continues its clockwise movement Without interruption, causing an arcuate surface |25 thereof, in cooperation with the sole of the foot-shaped projection to lock the extension |22 of the latch |09 in a notch |23 corresponding to the depressed amount key. When the lever ||5 and the segment ||3 reach the termini of their initial movements clockwise, a roller |26 carried by said lever ||5 engages an arcuate surface |21 on the under side of an amount beam |28 pivoted at |30 to the actuator |0| and forces an arcuate surface on the upper edge of said beam into contact with the hub of said actuator |0| to move the beam |20 to a position corresponding to the depressed amount key 11. The beam |28 has aslot |3|, which engages a stud |32 in a link |33, the upper ond of which is pivotally connected to an indicator-positioning segment |34 mounted onone' of a series of nested tubes |35 supported by a shaft |36 journaled in the side frames of the machine. The lower end of the link |33 is pivotally connected to a segment |31 free on a shaft |38 journaled lx1-the machine side frames. The segment |31 carries a stud |39, which engages a camming slot in a zero elimination cam plate |40 pivotally Fmounted on a stud |4| in a segmental gear |42 free on a shaft |43 journaled in the side frames of the machine. The teeth of the segmental gear |42 mesh with the external teeth of an externalinternal ring gear |44, the internal teeth of which mesh with a pinion |45, which drives a squareshaft |46. The square shaft |46, in turn, drives similar pinions |45, meshing with the internal teeth, and gears similar to the gear |44, the external teeth of which gears are adapted to mesh with and drive corresponding denominational type wheels in each row of the column-printing mechanism, which column-printing mechanism in the present case is for the purpose of printing on an inserted slip or ledger sheet, for printing in the diierent columns and customer account spaces the various items involved in each customers account.

This method of driving the type wheels of the column-printing accounting machines is fully explained in the previously-mentioned irnold Patent No. 2,141,332 and embodies an application of well-known Kreider principle of driving mechanism disclosed in the above-mentioned Kreisler Patents No. 1,693,279.

For the purpose of properly alining the' differential mechanism. and the type wheels set there interspersed totalizers on the front orNo.` 3

|34 a series of notches |41 engaged by an aliner |48 secured to a shaft |49,

The aliner |48 is disengaged from the notches |41. during the differential setting oi,v the type. wheels, and, after they have been set under the control of the keys through the differential mechanism, Vthel alhier V'|48 is again moved finto engagement with the notches |41, thus positively alin'iri'g the type wheels. "I

ThefV zero elimination mechanism above mentioned,;whichis for the purpose'of controlling'the printing of zeros and which is controlled bythe above-,mentioned zero elimination cam plate |40, is notvdirectly involved in the invention in the present application, and, therefore, no further reference to the zero elimination mechanismwill be given herein, such type of zero'. elimination mechanism being illustrated and described in the above-mentioned Arnold Patent No. 2,141,332.5'

. Totalizervs l I The machine of this invention has vtvvo lines of... the usual well-known interspersed adding total"- izers, located on a rear or-No. 2 4totalizei lineland If no amount keyv 11 .(E'lg. .4) is depressed,

the zero stop pawl 99` rem'ainsi'inV the path of Y the spider |00 upon `initial movement of the actuator |0| and engages said spider and breaks theflatch |09 to locatesaid actuator in zero position. After the actuator |0| is positioned at zero, the roller |26 positions the beam |28, the linkl33, and the segments |34 and A|31 to corresponding positions,.as shownin Fig.v 4. At the emechanism, which is old and well known in the vart and is often referred to as the "minimum movement device. *The-...usuat tens transfer Amechanismismprovided fortransferring tens amounts between lower and higher denominan .tionsin addingvand subtractingoperations.

As,..heretofore.-f'mentioned, the. present maon` a front or No. 3 totalizer-line, andina'ddi-w.

tion, has one add-'subtract totalizer or crossfooter on the No. 1 totalizer line, which is known as the upper line.

The add-subtract totalizer or crossfooter on the No. l line is indicated by the reference numeral |51. I The totalizer wheels of the totalizers of the No. 2 or back line are indicated by the number |58, and the number |59 indicates the totalizer line.

Totalizers of 'these types are 01d-v andwell known in the art and are fully illustrated and" described in the previously-mentioned Shipley patents, and, therefore, no further description ators |0| are divided into three toothsections 45 |60,l ISI, and |62. The sections |60 actuate the I add-and-subtract totalizer or crossfooter on the No. 1 line, the tooth sections 6'l actuatethe totalizers |58 on the No. 2 line, 4and the tooth'sections |62 actuate the totalizers V|59 on the" front 50 orNo.31ine. l In adding operations,the wheels of the'ls'ellect' totalizer or totalizers,' as theA oasemaylsbe, Yengaged with their respective-setsl-of actuating tooth vsections |60, ISI, and |62oftheactuators'(515i` |0| afterlsaidi'actuatorshaye completed their y y setting'mover'nent ink aA clockwise direction under controler 'the amount keys 11. Reti'iriijmove-V mentcounter-clockwise of the actuators |0.|, as

p above l explainedyV rotates the Acorresponding 50 wheels 'ofthe selectedand engaged-totalizerory totalizers in proportion' to'thevalue ofthe dee,

' press'ed amouritfkeysjn to eriterfintosaidtota1- 'izers the famountfcorresnonding to tngfieys-dpressed. v, ,4 4 f description thereof will behgiven Release lock-proof,

, In subtract -operations;thefcorrespoirng 'subjtract wheels of a balance totalizer orcrossfooter fr'rans'acrfonlrasl f chine is provided with'threebanks or rows of transaction keys 18, 19, and 80. "The greater number of these4 keys may be classiiied into two separate groups, on'e'group comprising consumption keys and the otherlgroup comprising gross-net keys. i :1

The consumption keysijareidentied by the abbreviation Cona appearing thereon. These are machine-release keys andare used in connection with the left-handv group of` amount keys 11 for selectively adding upon certain of the` totalizeryson lines 2 and 3, as Well as for controlling the printing mechanism to print, in

the vertical columns on the ledger sheet (Fig. 16) bearing the heading ,K. w. hours used, the amounts of different kinds of consumption used. In addition,rthe Cons key causes such amounts to be entered into the minus side of the crossfooter on the totalizerv line No. 1. The

F1at rate Cons key 18 in rowi does not affect the selection of any of the totalizers, but

v4merely controls the printing mechanism to print in the K. W. hours used columnon the ledger l The gross-net keys 18, 19, and 80 are identified by lthe words Gross-net appearing thereomand are, used in connection with both groups of amount keys 11 for adding into theplus side of the crossfooter on the totalizer line No. 1, as well as for controlling the printing mechanism to print simultaneously in either the Electric chg. column or in the Total bill due column or in both of said columns on the ledger sheet c both the gross amount and the net amount.

'I'he remaining transaction keys not yet described are all in row 1 and IncIude'the Eject," l Present, Demand fPrevious," and Credit keys 18.

The l'.Ejecf' key 18 is a machine-release key and controls means for ejecting a card from the machine,j.upon which card is printed substantially the same data, at the same time, as that printed on the ledger she'e't'.- "Since this key is not involved inthe present invention ,l no further The Release lock-1p'roof,l key"18*'is not directly involved in the 'present invention and will, therefore, be only brieflyI described herein` This key is used, when an error has been made, to

No; 1 retainer une, into "einen in which it whereupon -`side of the crossfooter.

amount is printed in the K. w. hours used?? onl release the key lock line to release the machine for operation by another transaction key. For example, when registering the amount of electricity consumed, the operator takes from an already-compiled report the present meter reading, the previous meter reading, and the amount of electricity consumed, which latter amount is the difference between the rst two mentioned readings. Take, for example, the account of Richard Doe, shown on the ledger sheet in. Fig. 16. The operator Iirst sets up on the left-hand group of amount keys 11 the present meter reading, which in this case is 99,078, and depresses the Present" key 18, which latter key selects the plus side of the crossfooter oi the.

which such amount is` to be added, and, at the same time, selects the vertical column headed -Meter readings-present on the lledger sheet, in which such amount is to be printed. The next step taken by the op- 'erator is to. set up on the left-hand group of amount keys 11l the previous meter reading of 99,000 and depress the Previous key 18, which latter key selects the minus side of the crossfooter upon which to add such amount and at the same time selects the vertical column headed Meter readings-previous, in which such amount is to be printed.

Since the wheels on the plus side of the crossiooter normally stand at 00000, while the wheels on the minus side stand at 99999, it will be obvious from the above .statement that the previous amount of 99,000 entered upon the crossfooter willy be subtracted from the present amount of 99,078, thereby leaving the amount of '18 standing on the plus side of the crossfooter, the latter gure being the proper amount of electricity consumed.

Now, for the next step, or third machine operation, the operator should set up on the lefthand group of amount keys 11 the amount of 78, but for the purpose of illustration we will say that the operator erroneously sets up 68 on the keys and depresses the Residential cons. key 80. 'This causes the amount of 68 to be subtracted from the crossfooter, leaving the latter not vat zero but in a state where 10 is still on the plus side thereof. The operator does not know that a mistake has been made and therefore proceeds to set up the gross and net amounts of 3.36 and 3.20 and depresses the Residential gross-net key 19, only to ilnd that the latter fails to release the machine for operation, because the crossfooter is not at zero, due 'to the error made in the last transaction. The operator then manually removes the ledger sheet from the machine and checks the amount previously printed thereon with the amount appearing on the reportthus noticingy that 68 was entered instead of 78, thereby leaving l on the plus side of the crossfooter. y

In order to restore the crossfooter to the conwas before the error was made, the operatornow sets up on the left-hand group of amountl keys 11 the complement 99,932 and depresses the Release lock-prooi key `18 in Acombinationwith the Residential cons. key 80,

the amout of 99,932 is entered upon the minus side of the crossfooter andl consequently subtracted from the plus side thereof, thereby restoring the amount oi 78 on the plus The complementaryA the ledger sheet to show that the error lfras been corrected. The crossfooterxnow stands where it y v groups of amount Auto-pos. key 2 7 80 in rows two and three.`

- to-be as theyare'shown did before anerror was made. The operator then merely sets up on the left-hand group of amount keys 11 the correct amount of consumption, which is '18, and depresses the Residential cons. key 80, thereby causing the amount of 78 to be printed in the proper column on the ledger sheet and the crossfooter to be'returned to zero. The Present key 18 is a machine-release key and is used in connection with the left-hand group of amount keys 11 for entering the amount of the present meter reading into the plus side of the crossfooter on the No. l totalizer line and for controlling the printing mechanism to print such amount in .the Meter readingprese1 'lt `:olumn on the ledger sheet.

The Flat rate gross-net key 18`is a machinerelease key and is used in connection with both keys 11for adding into the plus side of the crossfooter on the totalizer line No. 1,` as welll as for controllingfthe printing mechanism to print simultaneously either inthe Electric `chg.y column or in the Total bill due" column, on in both'of said columns on the ledger sheet, both the gross amount and 'the net amount due. This key alsov `controls the differential mechanism associated with lthe row 2 group of keys 19 to add into the totalizer on line No. 2 corresponding to the zero position in such row.

The Flat rate cons. key 18 is a machinerelease key and is used in connection with the left-hand group of amount keys 11 to control the printing mechanism to print consumption flat rate. This key controls' the printing only.

The "Demand key 18 in row l is a machinerelease key and is used in connection with the right-hand group of amount keys 11 to control the printing mechanism to print a demand rate,.- which is a special rate based upon a predetermined consumption.

The Previous key 18 is a machine-release key and is used in connection with the left-hand group of amount keys 11 for entering an amount representinga previous meter readingrinto the minus side of, the cross-footer on the No. l totalizer line and for controlling the printing mechanism to print such amount in the Meter reading-previous column on the ledger sheet. The Credit key 18 is a machine-release key and is used in connection with the amount keys 11 for entering a credit amount into the minus side of the crossfooter and into a totalizer on line No. v3 corresponding to the position indicated on the keyboard (Fig. l) by dotted lines encircling the word Key- 1. This key also controlsthe selection of theV proper column on the ledger sheet in which the amount is to be printed. From the vabove it will be noted that all of the keys 18'in row one are machine-release keys except the Release lock-proof key 18, which Vmerely releases the lock line to permit-operation oi the machine by one of the other keys.

The two key'positions in row onewhich contain no keys but are indicated` by dotted lines surrounding the words Auto-pos. keys 22 to,21;and I identify the positionsinwhich thedifferential mechanism associated with such bank of keys is adjusted by certain keys `19 and It is to be understood that the captions on th'e Vtransaction keys 18, 19, and 80 do not have here, these being merely for illustrative purposes. Many businesses debreakdown, and the captions on the keys can be changed to correspond to the 4Atan Y'neremarcar;.

type oi breakdown used in the particular system for which the machine is intended to be used.

The differential mechanisms associated with l and*which1positions the 'printing wheels "for,

printing symbols corresponding tofl'the nkeys. This particular differential mechanismalso controls the'mechanism for; selectingione or more. of

`the vertical-.columns on'theledger sheetV to be `printed in, which will be describedV more inde- Thediiferential4 mechanism associated with the first Acontrol bank,'or row one, which is coni trolled vb'ythefkeyfs- 18 and certain of the-keys 19a-nd 80 in-'rowsV two and three, is illustrated in Fig. 3` and will bebrieily described, as it is vsimilar to the control differentials illustrated and described in the previously-mentioned Shipley Patent `No. 1,916,535. n

The drive shaft 12 carries a pair of. cams |10 for operating -a lever |1| connected by a link v |12l to the usual driving segment |13.' The drivling segment |19 and-other parts of the differential mechanism are supported by a rod |14. -vClockwise movement of the driving segment |13, through 'the usual latch |15 carried by a differentially-adjustable arm |16 supported by the rod |14,`ro'cks the arm |16 clockwise until the forward end of the latch |15 contacts whichever one of the keys 18 is depressed, at which time the latch is separated from the driving segment, permitting the arm |16 to remain inthe position to which it hasbeen driven under control of the depressed key 18.

The differential arm |16 carries the usual minimum-movement beam |11 connected to a link |18 fastened to an arm |19l loose on the shaft |38 supported' by the'machine side `frames. A link |8| connects the-'arm '|19 with a segment |82 secured to the shaft |43 carried by the side f frames of Vthe machine. The segment |82, by means notv shown,v sets` a symbol ltypewheel to print on a ledger sheet, as disclosedin the abovementioned Arnold patent.

The shaft |43, through means to be later considered in detail, operates certain control means in the printer, depending upon the type of entry being made upon the ledger sheet. The' usual zero stop pawl |84, carried by a frame |85, in which the transaction keys V18 are slidably mounted, is adapted "to cooperate with an arm |86 supported by the rod |14' and is provided with a slot to cooperate'with a pin |81 of the latch |15 for this .bank of keysV 18. Thev zero stop pawl |84 is normally in'. an ineffective position, for a purpose tobe described later.

Under certain conditions'it is necessary to control this diiferential mechanism (Fig.V 3),'which,

' it Vwill be recalled,"is associated with row one, by` certaln'of the keysr19 andBIl-I'in rows two-and" 4 :The bank ofiransacncnkeysra offrow one is V shown cutaway inflFig 3 to show certain of the transaction4 eys V8'0""n Vfrow'three; Such Vcutaway portion of Fig. 3 was taken on line 3--8 of Fig. 2, looking in the direction of the arrows. Since the control of the differential mechanism associated with the row one bank of keys 18 (shown in Fig. .3) by the keys in other rows is similar to the control illustrated and described in the previously-mentioned Shipley Patent No. 1,916,535, only a brief description thereof will be given herein.

Associated with the transaction keys 19 in row two is a lever |95 (Figs. 2 and 3) pivotally mounted on the rod |14. The lever |95 has integral therewith a plurality of stop lugs |96, one for each of the keys 19. Also formed integral with the lever |95 is an upwardly extending arm |91 normally held` against a stud |98 by a spring |99, one end of which is fast to the arm |91 and the other end of which is secured to a stud 200 carried by the hanger plate. The stud |98 is carried by one arm of the yoke 20| pivotally mounted on a rod 202 suitably mounted in the y hanger plates associated with the transaction banks of keys 18,19, and 80. Said arm of the yoke 20| is connected by a link 203 with an arm 2|2 pinned to the key lock shaft 1|. Thus, upon the release and clockwise movement of the key lock shaft 1|, previously described,` the yoke 20| will thereby be rocked counter-clockwise, moving the stud |98 away from the arm |91 on `the lever |95. This permits the spring |99 to rock the arm I 91 and the lever |95 clockwise. If one of the keys 19 has been depressed, the appropriate lug |96 will strike the usual pin 204 mounted in the side of the depressed key and thereby arrest the clockwise movement of the lever |95.

The lever |95 is connected by a link-205 to an i arm 206 of a yoke 201 freely mountedjon a rod to the arm 209 to position the free end thereof in the path of movement of the lug 2|0. Thus, when the actuator |16,together with the arm |86, is 'moved clockwise by the segment |13, with no key 18 depressed but with any one of the keys 19 depressed, as above mentioned, the lug 2|0 Will strike thefreeend of the arm 209, thereby vthe shaft |43, which in turn controls the adjustment of the proper printing wheels and the selection of the plus side of the crossfooter on the No. 1 totalizer line.

If no key in either row one or.' row two is del pressed, the lever |95'will move clockwise until stopped by a stud 2 |.6 carried by the hanger plate. This will cause the arm 209 to be rockedv far enough in a clockwise direction to clear the path of movement of the lug 2|0. When the key lock :line 1| is restored to its yhome position near the end ofA operation of the machine, the stud |98 will 4-coact with the arm-| 91 to return the lever |95 and its associated parts to their. normal positions.

The Miscel.'gross.net" and the .Guar. adjustl arm 86.in its seventh position.

sumption ke these keys 1s 88 in row three also control he differential latch associated with row one in the eighth position. The Repair servicing gross-net key 88 -invlrow three controls the latch of row one so that it is disengaged in the seventh position. The disengagement of the latch in either one of thesetwo different positions causes the plus side ofthe crossment gross-net keys the disengagement of t ans 'by vwhich ,said-*keys performy this function'will now be described. f

Associated' with kthe-,row three transaction keys 80 is aleverl. operates.v in the the lever` |95 des'cribed'in connection with the row two transf action keys 18.

The leverv 2|1 is freely mounted on4 the rod |14 and has an armi like the arm.-|81,

which is affected by the operation of the key lock shaft `1| in the same manner as the last-mentioned arm. The lever 2|12is connected by a link 218 to an arm 219 of the yoke 220 freely mounted on the rod '208'. The yoke 220 has another arm 22|, which carries near its free end a stop 222 adapted to be moved into the path of movement of either a lug 23 or a lug 224 on the plate 225 formed integral with the arm |86. When the stop 222'is moved into the path of the lug 223, it will coact with the latter to stop the clockwise movement of the differential arm |86 in its eighth position. lOn the other hand, should the stop 222 be positioned to coact with the lug 224, it will stop the differential The arm 22 |v is given a long throw to' place the stop 222 into cooperative relation with the lug 223 and a short throw to position the stop for cooperative relation with the lug 224. This is accomplishedv by a variable spacing of stop lugs 2|4 and 2|5 on the lever 2|1. The distance between the lugs 2|4fand the pins on the MisceL gross-net and the Guar. adjustment gross-net keys 80 in row three-is such as to permit sufficient clockwise movement of the lever 2|1 to cause a long throw to be given the arm 22| and the stop 222 to effectively position the latter with respect to the lug 223. On the other hand, the distance betweenA the lug 215 and the pin on the Repairs servicing gross-net key 80 in row three is reduced so as to the' zero stop pawl |84 clockwise into the path of kmovement ofthe arm |86, but

|1 (Fig. 22) ,which is similar to, and j limit the clockwise movement of the lever 2 |1- and l positioning the latter with respect to the lug 224.VV

If any of the six uppermost transaction keys 80 tion 233 integral withV doing 'so by a stud 232 (Fig. 5) carried by said pawl contacting an .upwardly extending projecthebifurcated end of a slide 234. The bifurcated end of the slide 234 embraces the rod, .|84, while the other end is pivoted to an arm,235vfreely mounted on the rod 208. A spring footer ,on the totalizerline No. 1-to" be selectedfor -v"'2'36,- one end of which is fastened to the slide 234 operation. The l ine ,and thectherend of which is secured to the hangerfplate, constantlytends to move the slide 234 towardl the 'rightfbut normally prevented from doing so by the yokes 201 Aand 228. It is only when both of the levers |95 and 2|'1 are allowed to rock the full extent of 'their clockwise movement that the yokes 261 and 228 are rocked sufcientlyclockwise to permit the spring 236 to rock .the arm 235 and the slide 234 far enough to the right, moving the projection 233V away from the stud 232, to allow the spring 23| to rock the zero stop pawl |84'into its effective position. The spring 23|, at this time, rocks the pawl |84 clockwise sufficiently to position the latter in the path of movement of the arm |86, whereby the differential latch |15 will be disengaged in its zero position.

Printz'n mechanism The printing mechanism used in connection with the present invention is of the columnprinter type shown in the above-mentioned Arnold Patent No. 2,141,332 and is capable of printing the same amounts and other data in various columns on suitable record material. The amount keys 11 differentially vcontrol the setting of the segments |42 (Fig. 4), as heretofore described. The method of driving the type wheels 229 (only one of which is shown in Fig. 4) from the differentially-positioned segments |42 is by means of the'ring gears |44, which have external and internal teeth. These gears |44 are positioned by their external teeth, and the pinions |45 driven by the internal teeth operate the square shaft Ullil carrying similar pinions, one for each column in which printing is to be duplicated. The latter pinions drive gears (not shown.` which drive the'type wheels229.

The transaction keys 18, 19, and Bil (Fig. 3) control the positioning of segments |82, which, in turn, through the same type of mechanism as that just above described, position symbol-printing Wheels 2 29'for printing symbols in the different columns of record material.

in row three (which are consumption keys) is k depressed, the differential mechanism associated with the row one keys 18 will be disengaged in its zero position to select the minus side of the crossfooter for operation. The manner in which this result is accomplished will now be described.

There are no stop lugs on the lever 2 1 to ooact with-the .pins 226 carried by the upper six cony's 80. Consequently, when one of depressed, the lever 2|1 will not be prevented from receiving the full clockwise movement permitted by the stud 2|6. This will result in both of'the arms 209 and 22| being moved clockwise beyond the paths of movement of the lugs 2 |1223, and 224. This will cause the means which normally? held 4the zero stop pawl |84 in A spring 23| (Fig. 3) constantly tends to rock The above-mentioned method of driving type wheels is fully disclosed in the previously-mentioned Kreider Patent No. 1,693,279, and reference may be had thereto for a full understanding of the same.

To print from the type wheels on the record material (shown in Fig. 16), there is provided a plurality of impression hammers 230 (Fig. 10), only one of which is shown.

Manually-operable on and 01T means for controlling operation of the machine The present machine is provided with manually-operable means for controlling the operation thereof. This means includes a lever 231 (Fig.

is prevented from patent, and, therefore, will not be described herein. The lever 2,31 has two positions of adjustment; namely, fon and olf positions. When the lever 231 is in its off position, 'it controls means for looking the release shaft 1|, holding pressure rollers 24| out of cooperative relation with record material feed rollers 242 (Fig. 12, 13, and 17), and maintaining stops 243 in the path of the record material, to thereby prevent the latter from being inserted beyond a certain point in the machine. s

Movement ofthe lever 231 from the off to the on position will locate a notch 244 (Fig. 12) formed in the periphery of the disc,v 2,381opposite an alining pin 245 carried by one arm of a lever 246 pivoted on a stud 241 in the side frame.

When this occurs, a spring 248 will rock the lever 246 clockwise to engage the pin 245 with the notch 244 and thus retain the disc 238 and the lever 231 in such on position until such time as they are manually returned to the off position.

The above-mentioned clockwise movement of the lever 246 will, through a link 249 connecting the lever with an arm 250 secured to a shaft supported by the printer frame, impart counterclockwise movement to the shaft 25|. Secured to the shaft 25| is an arm 252 connected by a link 253 (Figs. l0 and 1l) to an arm 254 pivoted'on a stud 255 mounted in the machine side frame. This arm 254 normally coacts with a fiat-sided stud 256 mountedon a release lever 261 secured to the release shaft 1|. The lever 261 and its function are old and well known in the art, as disclosed in the above-mentioned Shipley and Arnold patents, and will not be described herein. With the arm 254 coacting with the stud V256, an interlock is thereby provided which prevents clockwise movement of the release shaft 1|, which movement is necessary to release the machine for operation.

operation.

When the lever 231 is moved to its on position, it will, through the internal-external gear drive mechanism above referred to, rotate the gear 240 counter-clockwise. When this occurs, a camming surface 251, forming a portion of the periphery of the gear 240, will coact with the roller 258 carried by an arm 259 secured to a shaft 260 to rock said arm and said shaft counter-clockwise. The shaft 260 is suitably journaled in a pair of brackets 26| (Figs. 12 and 17) fast to a flange formed on the base plate 6 I. Pivotally mounted on the shaft 260 is a pair of yoke members 262, each of which has rotatably mounted therein one of a pair of pressure rollers 24|, previously mentioned. Each of the yoke members 262 is connected by a torsion spring 263 (Figs. 13 and 17) to one of a pair of arms 264 fast to the shaft 260. 'I'he pressure rollers 24| with the feed rollers 242 by projections 265 on the arms v264 coacting with the under side of studs 266 carried by the yoke members 262. When the shaft 260 is rocked counter-clockwise, as above described, the projections 265 on the arms 264 are moved away from the studs 266, thereby permitting torsion springs 263 to rock the yoke members 262 counter-clockwise tobring From the the pressure rollers 24| into cooperative relation with the feed rollers 242.

Also, when the lever- 231-is moved to its on position, the above-mentioned record material stops 243 (Figs. 12 and 17) will thereby be removed from the path of feed of the record material. The stops 243 are formed on the endsof levers 216 pivotally mounted on a shaft 211 suitably journaled in the printer frames. The means for accomplishing this result will now be described.

Secured to the shaft 260 (Fig, 12) is a lever 218 normally urged in a clockwise direction by a spring 219, one end of -Which is fast to said lever, while the opposite end is secured to an arm 280 fast 'to the shaft 211. The lever 210 has a cam slot 28|, which coacts with a roller 282 carried by the arm 280. A spring 283 constantly tends to hold the lever 216 so that the stop 243 thereof will be in effective stopping relation'with respect to any inserted record material. Also secured to the shaft 211 are two arms 284, which normally coact with pinsV 285 on the levers 216 to limit the counter-clockwise movement which the springs 283 impart thereto.

Upon moving the hand lever 231 from "off to on position, with the resultant counter-clockwise movement of the shaft 260, the lever 218 is rocked counter-clockwise, and the cam slot 29| and the roller 282 rock thearm 280, the shaft 211, and the arms-284 clockwise. This causes the arms 284, through the pins 285, toirock the levers 216 clockwise and remove the stops 243 out ofy the path of any inserted record material, so that the latter can be fed furtherinto the machine, as will be later described, to receive additional printed records. i

Manually-settable symbol-printing mechanism s and automatic means for restoring said mechanism to home position cludes a hand-operated lever 295 (Figs. 10 and 15) are normally held out of cooperative relation formed integral with a disk 296 secured to an internal-external gear 291 driving the usual square shaft and pinions, which in turn drive another internal-external gear 294 directly in mesh with the symbol type wheel 229. The gear 294, through the square shafts 293 and pinions (not shown), drives an internal-external gear 298 for a purpose to be later described. This type of drive is the Yusual and well-known Krelder type of mechanism, heretofore referred to, and no` further description of this particular driving mechanism is felt necessary herein.

The disk 296 (Fig. 15) has secured thereto an provided with an opening 302 (Fig, 10) for the purpose of displaying to the operator the index plate 300, in order to determine the proper posi- `tioning of the disk 296.

The disc 296 (Figs. 1`0 and 15) is provided with alining notches 303 adapted to coact with the pin 304 on a lever 305 pivoted on astud 306 carried by one of the machine side frames. The pin 304 is normally held out of cooperative relation with the a cross bar 322 connected notches 303 until the on and off lever 231, previously described, is moved to its on position, at which time such pin will be moved into cooperative relation with the notches. Thmanner in which thiscondition is brought about will now be described.

The lever 305 is connected by a link 301 to an. arm 308 pivotally mounted on the shaft 25|.. The arm 303 is secured to another arm 309 also freely mounted on the shaft 25|. Thevarm 252 has a straight slot 3 I 0, .and the arm 309 has a cam siot 3| through which projects a stud 3|2 car-I ried by the upper end of a link 3|3, the lower endl of which is pivoted to a bell crank 3|4 carrying a roller 3|5 held in contact with a cam 3|6 by a spring 3|1. The cam 3|6 is secured to a gear 3 |8 journaled on a stud 3|9 carried by the left side frame 60. The gear3l8 is driven by the usual operating motor (not-shown) and meshes with a gear 320 on the main shaft 12 to drive the same. The purpose of the cam 3|6 will be described later. When the shaft 25| is rocked counterclockwise, due to the movement of the lever 231 to its on position, the arm 252 is rocked counter-clockwise until a projection 32 thereon strikes to the side frames 60 and 61 of the machine. Such counter-clockwise movement of the arm 252, through the stud 3|2 and the slots 3|0 and 3|I, rocks the arm 309 counter-clockwise. Since the arm 309 is secured to the arm 308, the latter arm is also moved counter-clockwise and, through the link 301, rocks the lever 305 clockwise to engage the alining pin 304 with the adjacent notch 303 on the disc 296. With the alining means for the disc 296 thus rendered effective, the operator may move the lever 295 to the proper position for causing the type wheels 229 to print the desired symbol on the record material. During such movement of the lever 295, the alining pin 304 is ratcheted over the points between the notches, and a. spring causes the pin 304 to engage the notch 303 appropriate to the setting of the lever 295.

Means is provided for automatically returning the disc 296 and the type wheels 229 set thereby to their home positions near the end of the operation of the machine. The method employed for accomplishing this result will now be described.

The internal-external gear 298, above mentioned meshes with teeth on a segment 325 freely mounted on the previously-described shaft |43. The segment 325 is secured to an arm 321 also pivoted on the shaft-|43 and connected by a link 328 to an arm 329 loosely mounted on a rod 330 also supported in the machine side frames 60 and 61. Secured to the arm 329 is an arm 33| carrying `a roller 332 adapted to cooperate with a cam 333 secured to a shaft 334. This `shaft 334 is in axial alinement with the drive shaft 12 and is driven from the shaft 12 by a clutch mechanism comprising a disc 335 (Fig. 1.0) secured to the shaft 12. Pivoted on the disc 335 are a drive pawl 336 and a retaining pawl 331 engaging opposite sides of a lug 338 of a collar 339 secured to the shaft 334. A spring 340 normally holds said pawls in engagement with the lug 338. Clockwise movement of the shaft 12 and the disc 3 35 causes the pawl 336 to turn the lug 338, the collar 339, and the shaft 334 clockwise. During the `first cycle of a sub-total or a total operation, during which operations the shaft 12 receives two rotations in the well-known manner, an arm 34| travel of a finger causes said pawl to is moved into the path of 342 on the pawl 336 and be disengaged from the lug and out of the notches 303 during the restoring 338, and therefore the .shaft 334 remains idle during the first cycle of all sub-total and total operations. The means for moving the arm 34|, as above mentioned, is fully illustrated and described-iin the above-mentioned Shipley Patent No. 1,619,796.

When the disc 296 is moved to one of .its symbol-printing positions, it will, through the internal-external drivemechanism previously described, rock the segment 325 and the arm 321 counter-clockwise, whereupon the link 328 and the arm 329 rock the arm 33| counter-clockwise to position the roller 332 above the cam 333. This positioningvof the roller 332 varies, depending upon the setting of the disc 296.

As above mentioned, the shaft 334 receivesone complete clockwise rotation during each singlecycle operation and during the second cycle of sub-total and total operations of the machine. Near .the end of `the clockwise rotation of the shaft 334, the cam 333 will contact the roller 332 and rock the arms 33| and 329 clockwise to their home positions, whereupon the ylink 328 andthe arm 321 will rock the segment 325 clockwise and, through lthe internal-external drive mechanism previously mentioned, restore the disc 296 counter-clockwise to its home position.

To prevent the alining pin 304 from bobbing in movementof the disc 296, the cam 3|6, above described, is so timed that, justprior to the restoration of the disc 296, the bell crank 3|4 is rocked counter-clockwise, thus lowering the link 3|3, whereupon the pin 3|2, acting in the cam slot 3H, rocks the arms 309 and 308 clockwise, thus raising the link 301 and rocking the lever 305 counter-clockwise against the tension of the spring 323 to hold the pin 304 completely disengaged from any of the notches 303. This eliminates friction and noise. Near the very end of the operation, the cam 3|6 restores the link 3|3 and the parts above mentioned, whereby the pin 304 again engages the rst or -upper notch 303.

Feeding mechanism of the sheet. Before operating the machine, the

operator first moves the on and oi lever 231 to the "'on position, which causes the pressure roller 24| to be moved into cooperative relation with the feed rollers 242 preparatory to feeding a ledger sheet 350 during any subsequent operation. Also, such adjustment of the lever 231 unlocks the shaft 1|, so that the machine can be released for operation by depression of any of the proper motorized transaction keys 18 to 80 inclusive, total keys 8| to 84, inclusive, and Correction key 85, as hereinbefore explained.

The entries on one line generally consist of the results of several machine operations. In a great many instances, the printing of the various items chargeable to a customers account may involve the printing of a number of different items on one or more of the three printing lines included in each customers account space. In printing on .the different lines of a customer's account space, manual means is used to operate the feeding mechanism to feed the ledger sheet 350 from the rst line to the second and third lines, or in some instances back to a line preasaaase viously printed on. in a customers account space. Automatic means is provided for operating the feeding mechanism, when the total l of all the items chargeable to a customers account is printed, to feed the ledger sheet 356 to the first printing line of the next customers account space, regardless of which line in the last; oustomers account space printing occurred on. The feeding mechanism will now be described.

The operator presents the ledger sheet 656 to the printing mechanism (Fig. 12) by inserting said sheet into a throat formed by a` guide bar 35| and a table 352, which guides said ledger sheet between the column-printing type wheels 226 and their associated hammers236 (Fig. then between the ledger sheet feed discs or rollers 242 (Fig. 17) and their associated pressure rollers 24|. and finally into contact with the stops 243 on the levers 216. The table 352 is mounted on the top edges of the frames 62 to 65 inclusive. The guide plate 353 is suitably mounted above the table 352 to further assist in guiding the the feed rollers and into` engagement with the stops 343.

Manual means for operating the feeding mechanism The manual means for operating the feeding mechanism enables the operator, to feed the ledger sheet 356 either forward or backward, one line at a time, to print on any desired printing line in any of the customer account spaces on said sheet. Such means includes a hand-opern wardly or rearwardly, the slides 356 and 356 will automatically return the lever to its normal neutral position. The slide 656 has two slots 36| and 362, while the slide 356 has two similar slots 363 and 364. The slides 356 and 356 are mounted upon two studs 365 and 366. the stud 365A being mounted in the printer frame 64 and projecting through the slots 36| and 363, while the stud 366 is mounted on the hand-operated lever 354 and projects through the slots 362 and 364. In the normal .position of the slides 356 and 356, the studs 365 and 366 are located adjacent the left end walls of the slots 36| and 362 in the slide 356 and adjacent the right end walls of the slots 363 and 364 in the slide 356. With such an arrangement, the lever 354 will always be auto-- matically returned from either its forwardA or rearward position of adjustment to its neutral or home position, where it will be normally maintained by such means.

The lower arm of the lever 354 is bifurcated to ledger sheet 356 between the pressure rollers and V and 315 and an arm 316 (Fig. 6), all of which are secured together and operate as a single unit, are pivotally mounted on a stud 311 secured in the arm 312. The arm 316 carries a stud 316 normally positioned between two lprojections 316 and 366 of arms 36| and 362', respectively, which are loosely mounted on the shaft 313, in a manner later described, and connected together at their upper ends by a spring 363. The spring 363 normally maintains the lower ends of the arms 36| and 362 in contact with a centering rod 364 suitably mounted in the printer frames. When the arms 36| and 362 are thus positioned, the projections 316 and 366 coact with the stud 316 on the arm 316 to normally maintain the pawls 314 and 315 in ineifective positions.

when it is desiredfo feed the ledger sheet m' further into the machine (to the right as viewed in Figs. '1, 9, and 12), the operator manually moves the lever 354 toward the right (111g. '1), thereby rocking the arm 366, the shaft 366, and the arm 316 in a counter-clockwise direction. The arm 316, in turn, through the link 31|, rocks the arm 312 clockwise. When this occurs, the

projection 366 on the arm 362, through the action of the spring 363, acts to yieldingly hold the stud 316 against clockwise movement relative to the shaft 313, thus causing the unit comprising the arm 316 and the feed pawls 314-315 to rock clockwise. using the stud 311 as a. pivot, to engage the pawl 314 with the teeth of a line-spacing ratchet 365 (Fig. 8) secured to the shaft 313 in a manner to be described later. As the arm 312 continues to move clockwise,` the pawl 314 moves the ratchet 365, the shaft 313, and the feed rollers 242 secured thereon one step in a clockwise direction, which feeds the ledger sheet 356 farther into the machine one line-space.

A retaining pawl 366 (Figs. 6 and 7) normally coacts with the teeth of a serrated alining disc 661 secured to the shaft 313 to maintain the linespacing ratchet and the feed rollers 242 in their proper positions while the machine is at rest. The pawl 366 is pivotally mounted on a shaft 366, suitably supported in the printer frames, and is normally held in cooperative relation with the disc 361 by a spring 366. The pawl 366 is connected by a link 360 to one arm of a bell crank 36| loosely mounted on a' rod 362 mounted in the printer frames. 'I'he other arm of the bell crank 36| carries a roller 363 coacting with a cam 364 secured on a printer drive shaft 365 journaled in the printer framework. The same movement imparted to the main drive shaft 334 is transmitted to the printer drive shaft 366 through a train of gears such as that disclosed in the above-mentioned Shipley patent.

The bell crank 36| will, in turn, through the link 366, rock the aliner 366 counter-clockwise to disengage the latter from the disc 361 during the time the feeding mechanism is automatically operated, as will be described hereinafter.

Each time the hand-operated lever 354 isreturned to its normal intermediate position by the slides 356-356 and the spring 366, it will also return the parts associated therewith to their normal positions.

When it is desired to feed the ledger sheet 356 reversely or toward the front of the machine (to the left as viewed in Figs. 7, 9, and 12), the op` erator moves the hand-operated lever 354 toward the left, as viewed in Fig. 1, thereby rocking the arm 366, the shaft 366, and the arm 316 in a` clockwise direction. The arm 316, through the link 31|, rocks the arm 312 counter-clockwise.

'Ihis will cause the `projection 319 (Fig. 8) on the arm 38| to yieldingly hold the stud 318 against such counter-clockwise movement and thereby cause the pawl 315 to rock into engagement with another line-spacing ratchet 4I0 secured to the shaft 313 in a manner to be described later.. As the arm 312 continues its counter-clockwise movement, it will, through the pawl 315, move the ratchet 4 I 0, the shaft 313, and the feed rollers 242 secured thereon one step in a counter-clockwise direction, which will feed the ledger sheet 350 reversely or toward the front of the machine.

The manner of mounting the ratchets 385 and 4I0 and the arms 38| and 382 is as follows. The ratchets 385 and 4I0 (Fig. 6) are rigidly secured to the tenon of a hub 400 and are spaced apart by a Washer 40|. The arm 382 is secured to a hub 402, which is journaled on the hub 400. The arm 38| is journaled on the hub 400 and is held in position by a collar 403 on the hub 400. A dowel pin is then driven through the collar 403, the hub 400, and the shaft 313, thus securely fastening the ratchets to said shaft while permitting independent free movements of the arms 38| and 382 relative to the shaft and the ratchets.

It will thus be seen from the above that the operator may manually feed the ledger sheet 350 either forwardly or reversely as many line-spaces as may be desired, by simply manipulating the lever 354 either to the right or to the left (Fig. 7), once for each line-space the ledger sheet is to be fed.

Automatic means for operating the feeding mechanism After the printing of the total amount due on a customers account, which consists of printing in the Total bill column both the gross and the net amounts, it is desirable to have the ledger sheet 350 automatically fed the necessary number of line-spaces to bring the first line of the next customer account space into printing relation with the type wheels. Such automatic feed of the ledger sheet 350 may vary, in the present instance, from one to three line spaces, depending upon the line of the last customer account space from which the ledger sheet is to be fed. The means for accomplishing this result will now be described.

Secured to a hub 404 (Fig. 6) is a ratchet 4| The hub 404. also carries a collar 405, and a pin is driven through the collar 405 and the hub 404 to secure the ratchet to the shaft 313. Each of the tooth spaces on the ratchet 4|I is equivalent to three of the tooth spaces on either of the linespacing ratchets 385 or 4I0, previously described. The ratchet 4|I is adapted to be automatically moved one tooth space in a clockwise direction during an operation of the machine, which will, through the shaft 313 and thefeed roller 242, feed g the ledger sheet 350 farther into the machine by three line-spaces, the exact number of line-spaces contained in each customers account space. In the event the ledger sheet 350 has been previously fed one or two line-spaces by the manual means hereinbefore described, the ratchet 4I I, being secured to the shaft 313, will likewise be moved clockwise the same extent as the manually-operated ratchet 385; consequently, when the ratchet 4I| is automatically moved clockwise to feed the ledger sheet 350 to the first printing line of the next customer account space, the clockwise movement thus imparted to the Vratchet 4II will be limited to compensate for the clockwise movement previously given to the ratchet 4| I by the manual x engaged with a notch 423 in a link 424.

feed means. Such limited clockwise movement of the ratchet 4| I., however, is sufficient to feed l the ledger sheet 350 the necessary number of lmespaces to complete the normal feed, which is automatically given to the ledger sheet to bring the rst printing line of the next succeeding customer account space into'printing relation with the type wheels. The means for automatically actuating the ratchet 4| to accomplish the above result will now be described.

Loosely mounted on the shaft 313 is an arm 4 I 2 carrying a stud 4I3. Pivotally mounted on the stud 4I3 and secured together to form a single operating unit are a feeding pawl 4 I4 and an arm 4|5, the latter carrying a stud 4I6 normally engaging a notch 4I1 in an arm 4|8 pivoted on the hub 404. A spring 4|9 (Fig. '9) normally holds the lower portion of the arm 4|8 against the rod 384. When the arm 4I2 is in its home position, the feed pawl 4I4 is held out of cooperative relation with the ratchet 4| I; however, when the ledger sheet 350 is to be fed automatically, the arm 4I2 is rocked clockwise by means to be described presently, whereupon the arm 4|8, through the engagement of the stud 4|8, will yieldingly hold the stud 4IB against clockwise movement, thereby causing the pawl 4I4 to be rocked clockwise into engagement with the ratchet 4| I. As the arm 4|2 continues its clockwise movement, it will, through the pawl 4 I 4, rotate the ratchet 4I| one tooth space or as much thereof as isv necessary to bring the first line of a customer's space into printing position. Such rotation of the ratchet 4II will betransmitted through theV shaft 313 to the feed rollers 242 to feed the ledger sheet 350 into the machine anywhere from oneto Vthree line spaces. The means for rocking the arm 4 I 2 clockwise will now be described.

Pivotally mounted on the rod 384 is a lever 420, the upper arm of which is bifurcated to embrace Va stud 42| secured to the arm 4|2, while the other arm of said lever carries a stud 422 normally The link 424 is pivoted to one arm of a bell crank 425 free on the rod 392. The bell crank 425 carries rollers 426 and 421, which coaet with the peripheries of companion plate cams 428 and 429, respectively, secured to the printer drive shaft 395.

During each adding cycle of operation `of the machine, the cams 428 and 429 receive one complete clockwise rotation and, through the lever 425 and the link 424, rock the lever 420 first counter-clockwise and then clockwise, thus rocking the arm 4 I2 first clockwise and then counterclockwise. During the clockwise movement, the arm 4I2 moves the feeding pawl 4I4 into engagement with the ratchet 4II to feed the latter as above described. This clockwise movement of the ratchet 4II is transmitted, through the shaft 313, to the feed rollers 242 to feed the ledger sheet 350 automatically in the manner described above.

Secured to the hub 405 and spaced from the ratchet 4II by a washer 406 (Fig. 6) is an overthrow-preventing ratchet 430, which is adapted, during the clockwise movement of the arm 4|2 and the pawl 4|4, to be engaged by a pawl 43| (Fig. 9) free on the rod 384 to prevent any overthrow movement of the ratchet 4II by the pawl 4|4. A stud 432, secured near the lower end of the lever 420, coacts with a tail 433 on the pawl 43| to hold the latter out of cooperative relation with the ratchet 430. The pawl 43| is connected by a spring 434 to the stud 432 on the lever 420. When the leverY 420 is rocked coun- 

